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125156041 = 2331117497
BaseRepresentation
bin1110111010110…
…11101011001001
322201111120210221
413131123223021
5224014443131
620230310041
73046544263
oct735335311
9281446727
10125156041
116471364a
1235ab8321
131cc10a3a
141289cb33
15aec3411
hex775bac9

125156041 has 8 divisors (see below), whose sum is σ = 131025024. Its totient is φ = 119322720.

The previous prime is 125156039. The next prime is 125156063. The reversal of 125156041 is 140651521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125156041 - 21 = 125156039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125155997 and 125156015.

It is not an unprimeable number, because it can be changed into a prime (125157041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1596 + ... + 15901.

It is an arithmetic number, because the mean of its divisors is an integer number (16378128).

Almost surely, 2125156041 is an apocalyptic number.

It is an amenable number.

125156041 is a deficient number, since it is larger than the sum of its proper divisors (5868983).

125156041 is a wasteful number, since it uses less digits than its factorization.

125156041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17831.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 125156041 is about 11187.3160767004. The cubic root of 125156041 is about 500.2079681532.

The spelling of 125156041 in words is "one hundred twenty-five million, one hundred fifty-six thousand, forty-one".

Divisors: 1 23 311 7153 17497 402431 5441567 125156041